Lock



FIG. 1 is a front perspective view of lock showing my new design;

FIG. 2 is a front elevational view thereof, with a spindle extendingthrough ring portions of the lock;

FIG. 3 is a rear elevational view thereof, with a spindle extendingthrough ring portions of the lock;

FIG. 4 is a left side elevational view thereof, with a spindle extendingthrough ring portions of the lock;

FIG. 5 is a right side elevational view thereof, with a spindleextending through ring portions of the lock;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken line environment is for illustrative purpose only and formsno part of the claimed design.

The ornamental design for a lock, as shown and described.